Home / 153,245,860.68-211,483,767.06-83,635,709.16

Finding the Fourth Proportional to 153,245,860.68, 211,483,767.06 and 83,635,709.16

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Solution

The fourth proportional to 153,245,860.68, 211,483,767.06 and 83,635,709.16 is: 115,419,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,245,860.68 : 211,483,767.06 = 83,635,709.16 : x
  2. Step 2: Convert to fraction form
    153,245,860.68/211,483,767.06 = 83,635,709.16/x
  3. Step 3: Cross multiply
    153,245,860.68x = 211,483,767.06 × 83,635,709.16
  4. Step 4: Simplify right side
    153,245,860.68x = 17,687,594,833,891,348
  5. Step 5: Solve for x
    x = 17,687,594,833,891,348/153,245,860.68
  6. Step 6: Final answer
    x = 115,419,723.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.